I’ve used pedometers, both mechanical and electronic. I’ve used speedometer for my bike. But this is a first time when I see a jumping rope with counter. The Talking Digital Jump Rope announces the calories consumption, number of jumps, workout time and remaining time from your target setting. If I was a kid now.

Found hereMore about sport. Here I’ve found unusual bicycle seat. I think it’s comfort! See description at Hobson Seat.